[Q] cyanogenmod 11 galaxy s3 mini lag

Hi, i'm italian and i nave install cyanogenmod 11 on my galaxy s3 mini with a gapps, alla function is very good, is perfect but, presently a little lag, with a 10.1 isn't lag...what doing??? It's normal? I have flash a cm 11 and i not have doing a wipe reset because i nave do an upgrade 10.1 to 11..help me please D:

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